Main responsibilities : As PMO Site Project Manager, you will play a key role in steering strategic initiatives aimed at continuous improvement and operational excellence within the site. You will act as the interface between local teams and central management, helping to optimize overall site performance and achieve strategic objectives. Steering continuous improvement projects: Set up, coordinate and monitor cross-functional projects aimed at improving productivity, quality and safety, and reducing costs and lead times. You will be responsible for defining objectives, allocating resources, meeting deadlines and achieving expected results. Leading workgroups: Facilitate and lead multidisciplinary workgroups (operations, maintenance, supply chain, etc.) to propose and deploy concrete optimization solutions. You will ensure collaboration and alignment between teams, and rigorously monitor project implementation. Promoting operational excellence: Proposing innovative solutions to optimize processes and eliminate waste, using Lean Six Sigma tools and methodologies. You will support teams through change, ensuring that a culture of continuous improvement takes root and lasts. Performance monitoring and analysis: Monitor and analyze key performance indicators (KPIs) to measure the impact of initiatives implemented. Identify performance gaps and propose corrective actions in collaboration with the various teams to ensure objectives are met. Communication with central management: Ensure regular feedback of information and results to central management, while proposing areas for improvement to contribute to the Group's overall strategy. You will be a key player in aligning projects with the company's strategic priorities. Change management: Accompany local teams through the phases of change induced by improvement projects, and ensure collective adherence to new practices. You will play a leadership role in the organizational transformation, ensuring that the new processes are adopted by the teams.